Class A 16-150 ohm HiFi Headphone Earphone Amplifier 3.5mm Jack Aux Portable Adjustable Audio Amp for Mobile Phone Music Player

Output Type : LINE OUT (AUDIO OUT)Built-in Battery : YesRecommended Headphone Maximum Impedance : 101-150 OhmInput Type : LINE IN (AUDIO IN)DSD (Direct Stream Digital) : NoBody Material : AluminumDimensions (WxHxD) : 9.5x6.2x1.5cmChannels : 1Output Power : 250mWOperational Amplifier Chips Model : /Signal To Noise Ratio : 120Bluetooth : NoType : Mini AmplifierWIFI : NoModel Number : Earphone AmplifierPackage : YesCertification : NONEPCM : NoDAC Model : /Class A 16-150 ohm HiFi Headphone Earphone Amplifier 3.5mm Jack Aux Input Portable Adjustable Audio Amp for Mobile Phone Music PlayerFeature:Aluminum matte surface, stylish and compact design.3.5mm AUX input and output.Support 16-150Ω impedance, exquisite and portable, easy to carry, can output excellent sound without distortion.High-quality audio, suitable for your mobile phone, MP3, MP4, laptop.Noise reduction function, enhanced dynamic distortion, perfect pure stereo effect, high-definition voice and music sound quality optimization.Specification:Product name: Headphone amplifierProduct color: BlackInput/output port: 3.5mm audio portDistortion: 0.004%Signal to noise ratio: ≥120dBLoad impedance: 16-150ΩMaximum power output: 250mW in Impedance 16ΩAmp internal voltage: ±4VCharging voltage: DC 5VFrequency response: 20Hz-20KHz (±3dB)Lithium battery capacity: 1000mAhAmpere usage time: about 6 hoursBody size: 9.5x6.2x1.5cm/3.74x2.44x0.59inPower cord length: 95cm/37.4inAudio cable: 1m/3.28ftProduct weight: 160gWhy is there a buzzing/hissing sound?A: Please don't use it while charging, because it will cause current interference when charging. This is why there is noise.After fully charged, disconnect the power and use the headphone amplifier.This amplifier is not high enough for my bigger headphones. Why?A: This headphone amplifier supports headphones with 16-150 ohm impedance. Please check the impedance of the headset.Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2mm measuring deviation due to manual measurement.  1 X Amplifier1 X Audio Cable1 X USB Power Supply LineDear Valued Customers,Thanks for choosing Icycling GO Store. Please kindly help check goods condition before sign for package.If any question about goods, please take photos or videos, then contact us before opening a dispute, problems will be solved at first time.If Satisfied With Our Products, Kindly Leave A 5-Star Rating And Share With Your Friend.!!We will select a excellent review each month to announce in Store, the lucky guy will get free gift from our store. Please follow our store to receive the Winner Anouncement.Answers to some frequently asked questions：1.Do Bulk CSV/Excel drop shipping (we have discounts for large orders)2.Fast delivery in 24-48 hours3.No invoice or receipt included (if you want, we can provide)4.If choose DHL/FedEx, this is not including DHL remote cost/custom duty.5.Zip code starts with 51/52/07/35/38, can’t send the order from the Spanish warehouse.6.If you can't find the product you need in our store, contact us, we will help you find.E-mail: baboookie@foxmail.comSkype/WhatsApp: +8618230515457